1. Behr, MJ, Lesh, R, Post, ThR and Silver, EA. 1983.Rational-number concepts, inAcquisition of Mathematical Concepts and Processes, Edited by: Richard, Lesh and Landau, M. 91–126. New York: Academic Press.
2. Carraher, DW and Schliemann, AD. 1991.Children's Understanding of Fractions as Expressions of Relative Magnitude, in Proceedings of the Fifteenth Psychology of Mathematics Education Conference, Edited by: Furinghetti, F. Vol. 1, 184–191. Assisi, Italy: Psychology of Mathematics Education.
3. A theory of developing competence with written mathematical symbols
4. The Relationship between Preadmission Indicators and Basic Math Skills at a New School of Pharmacy
5. Students' Use of Part-Whole and Direct Comparison Strategies for Comparing Partitioned Rectangles